// license:BSD-3-Clause // copyright-holders:Angelo Salese /*************************************************************************** Template for skeleton device ***************************************************************************/ #pragma once #ifndef __UPD7752DEV_H__ #define __UPD7752DEV_H__ /* status flags */ #define BSY 1<<7 #define REQ 1<<6 #define EXT 1<<5 #define ERR 1<<4 //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_UPD7752_ADD(_tag,_freq) \ MCFG_DEVICE_ADD(_tag, UPD7752, _freq) //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> upd7752_device class upd7752_device : public device_t, public device_sound_interface, public device_memory_interface { public: // construction/destruction upd7752_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // I/O operations DECLARE_WRITE8_MEMBER( write ); DECLARE_READ8_MEMBER( read ); virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const override; protected: // device-level overrides virtual void device_start() override; virtual void device_stop() override; virtual void device_reset() override; virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; private: sound_stream *m_stream; const address_space_config m_space_config; UINT8 m_status; UINT16 m_ram_addr; UINT8 m_mode; void status_change(UINT8 flag,bool type); inline UINT8 readbyte(offs_t address); inline void writebyte(offs_t address, UINT8 data); }; // device type definition extern const device_type UPD7752; //************************************************************************** // GLOBAL VARIABLES //************************************************************************** #endif